#include <stdlib.h>
#include <stdio.h>
#include <math.h>

int main(){
    int n,i;
    float x,y,pi,year;
    pi = acos(-1);
    scanf("%d",&n);getchar();
    for(i=1;i<=n;i++){
        scanf("%f%f",&x,&y);getchar();
        printf("%f %f\n",x,y);//debug
        year = pi*(x*x + y*y)/100;
        printf("Property %d: This property will begin eroding in year %d.\n", i, (int)year + 1);
    }
    printf("END OF OUTPUT.\n");
    return 0;
}